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Finding the Fourth Proportional to 7,011.51, 9,676.98 and 4,324.29

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Solution

The fourth proportional to 7,011.51, 9,676.98 and 4,324.29 is: 5,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.51 : 9,676.98 = 4,324.29 : x
  2. Step 2: Convert to fraction form
    7,011.51/9,676.98 = 4,324.29/x
  3. Step 3: Cross multiply
    7,011.51x = 9,676.98 × 4,324.29
  4. Step 4: Simplify right side
    7,011.51x = 41,846,067.84
  5. Step 5: Solve for x
    x = 41,846,067.84/7,011.51
  6. Step 6: Final answer
    x = 5,968.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.